Updating airport firmware
Chances are, if you answered yes to either question, you may not have upgraded your router’s firmware in quite some time.
If you have, congratulations, you can stop reading this article right now, if not, read on.
Each router manufacturer uses different default addresses so check your specific router manufacturer’s website for details on which one your router may be using.
Many routers use 192.168.1.1 as this address but it does vary.
It may be located under the Router Setup page, the "About This Router" page, or perhaps under a “Maintenance” or "Firmware Update" heading.If you don’t update your firmware then you won’t be able to take advantage of any speed boosting upgrades that your router manufacturer might release in an update.Every router is different, but usually, they have a similar process for upgrading the router’s firmware.Before downloading, be sure to remove all currently installed versions of the utility.Though the utility should be kept in the /Applications/Utilities/ folder, some people may have multiple copies installed on their systems if they have manually moved them out of the Applications folder.
If for some reason the firmware update has been corrupted when downloading or is inaccessible to the utility, then you may get an error.